It depends if he goes to the store or has a Tree that he is getting the apples from. So its a maybe
Maybe John is really poor and doesn't much money. However, John does have a lot of apples.
John's neighbor works for John. Since John doesn't have money to pay his neighbor, he pays him with apples. John pays his neighbor 74 apples every day to work for him.
But one day John got really hungry and he ate an apple that was supposed to be payment for his neighbor. He only had 73 apples that day. John's neighbor came to get his payment, but John only had 73 to give him. John paid his neighbor all 73 apples, but he still owes him 1 apple. He is in debt 1 apple. He has -1 apples.